Vacuum cleaner



FIG. 1 is a perspective view from the front and above of the vacuum cleaner;

FIG. 2 is a perspective view from the rear and below of the vacuum cleaner of FIG. 1;

FIG. 3 is a side elevation view of one side of the vacuum cleaner of FIG. 1;

FIG. 4 is a front elevation view of the vacuum cleaner of FIG. 1;

FIG. 5 is a side elevation view of the other side to the side shown in FIG. 3 of the vacuum cleaner of FIG. 1;

FIG. 6 is a rear elevation view of the vacuum cleaner of FIG. 1;

FIG. 7 is a top plan view of the vacuum cleaner of FIG. 1; and,

FIG. 8 is a bottom plan view of the vacuum cleaner of FIG. 1.

The details shown in broken lines form no part of the claimed design. 

CLAIM I claim the ornamental design for a vacuum cleaner, as shown and described. 